80418021552 has 120 divisors (see below), whose sum is σ = 259961017680. Its totient is φ = 22935613440.

The previous prime is 80418021527. The next prime is 80418021581. The reversal of 80418021552 is 25512081408.

80418021552 is a `hidden beast` number, since 8 + 0 + 4 + 1 + 80 + 21 + 552 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1466277 + ... + 1520132.

It is an arithmetic number, because the mean of its divisors is an integer number (2166341814).

Almost surely, 2^80418021552 is an apocalyptic number.

It is an amenable number.

80418021552 is an abundant number, since it is smaller than the sum of its proper divisors (179542996128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80418021552 is a wasteful number, since it uses less digits than its factorization.

80418021552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2986451 (or 2986442 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 36.

The spelling of 80418021552 in words is "eighty billion, four hundred eighteen million, twenty-one thousand, five hundred fifty-two".